Gmail is the Google’s most popular email service. Gmail is simple with large functionality and extensibility. You can email, chat, and store all your messages.

1. Blogsigs

Just forget about your old blog signature in your email. Use this tool to link to your latest blog post from your email signature. It supports Mac OS X, Windows 2000/XP/Vista and Mozilla Firefox 2.

2. GMDesk

This is a free Google tool which you can access from your desktop. This tool lets you run Gmail, Google Calendar, Google Docs and Google Maps as a stand-alone application. You don’t need to open it up in a web browser.

3. GPhotospace

This is a Firefox add-on to access the free storage space provided by Gmail to store and share photos online. This is the fastest way of sharing your photos. You can create photo albums, upload number of Photos and share with others.

4. Gdisk

You can always have access to your important mails, files on internet by using this software. This software can turn your Gmail account into a portable drive on your system.

5. Gmail Todo

This is Add To-do list in Gmail which is called as Tasks. You can add tasks, reorder them, cross out the completed one, switch to a new list.

6. Gmail Mobile

Mobile Gmail application. The features of this app are Search, Conversation view, Stars and labels, Floaty bar, Archive, Mute and Move, Pam Filtering, Keyboard Shortcuts, Address auto-complete etc.

7. Gmail Assistant

This is a free open source java based software notify for multiple gmail and Google apps email account. It uses IMAP over SSL to access your account in a secure manner.

8. KCheckGmail

Features of this tool are smaller , eMail snippets with or without attachments, Customizable search, Store password in a secure manner, Customizable check interval and Secure login and data retrieval.

9. GSN SMS Notifier

This notifies you by sending a SMS for new mail in your Gmail account. This is a freeware tested on Windows XP and Windows Vista.